Patents by Inventor Pascal Vignane

Pascal Vignane has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 5-nitro-2-(3,5-diamino-2,4,6-trinitrophenyl)-1,2,4-triazole, its preparation process and explosive material containing it
    Patent number: 4958027
    Abstract: The invention relates to 5-nitro-2(3,5-diamino-2,4,6-trinitrophenyl)-1,2,4-triazole of formula: ##STR1## It is prepared by reacting a 1-halogeno-3,5-diamino-2,4,6-trinitrobenzene with 3-nitro-1,2,4-triazole or one of its alkali metal salts.This triazole derivative can be used as a secondary explosive. It has a lower shock sensitivity than octogen, while still being able to supply a high energy.
    Type: Grant
    Filed: December 6, 1988
    Date of Patent: September 18, 1990
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Francois Laval, Pascal Vignane